Patek Philippe. A fine and rare 18K gold perpetual calendar wristwatch with phases of the moon

Patek Philippe. A fine and rare 18K gold perpetual calendar wristwatch with phases of the moon
Signed Patek Philippe & Co., Geneve, Movement No. 928699, Case No. 646255, Ref. 1526, circa 1946
12'''-120, with nickel-finished lever movement, 18 jewels, bimetallic compensation balance, micrometer regulator, the silvered dial with applied gold Arabic and dot numerals, gold feuille hands, day and month apertures, subsidiary dial indicating phases of the moon combined with constant seconds and date, the circular case with downturned lugs, snap on back, case, dial and movement signed
34 mm. diam.